Dyfyniad APA

Birn,Robin J. (2003). Handbook of international market research techniques (2nd ed.). Kogan.

Dyfyniad Arddull Chicago

Birn,Robin J. Handbook of International Market Research Techniques. 2nd ed. New Delhi: Kogan, 2003.

Dyfyniad MLA

Birn,Robin J. Handbook of International Market Research Techniques. 2nd ed. Kogan, 2003.

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